Home / 13,349.47-20,023.93-3,989.52

Finding the Fourth Proportional to 13,349.47, 20,023.93 and 3,989.52

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Solution

The fourth proportional to 13,349.47, 20,023.93 and 3,989.52 is: 5,984.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349.47 : 20,023.93 = 3,989.52 : x
  2. Step 2: Convert to fraction form
    13,349.47/20,023.93 = 3,989.52/x
  3. Step 3: Cross multiply
    13,349.47x = 20,023.93 × 3,989.52
  4. Step 4: Simplify right side
    13,349.47x = 79,885,869.21
  5. Step 5: Solve for x
    x = 79,885,869.21/13,349.47
  6. Step 6: Final answer
    x = 5,984.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.